Abstract
The responses of dry mass accumulation, NPK uptake, water use efficiency, and green pods yield characters of snap bean plants to biofertilizer Halex-2 under four varying humic acid (HA) rates; 0 (HA0), 0.3 (HA1), 0.6 (HA2) and 1.2 (HA3) ton ha-1 , were studied. Two field experiments were conducted, during the season of 2011 and 2012, at the Agricultural Experiment Stations, Hada-Alsham, King Abdulaziz University, Saudi Arabia. Increasing HA rate up to 1.0 t ha-1 (HA2) led to significant increments in the dry mass accumulation, uptake of N, P and K, green pods yield, the number of pods and water use efficiency characters. Moreover, the results showed that inoculation of snap bean seeds by biofertilizer Halex-2 significantly increased all studied parameters of snap bean plants. Generally, the combination treatment of 1.0 t HA ha-1 + Halex-2 was the most beneficial treatment which gave significantly higher mean value for total green pods yield ha-1 , number of pods plant-1 and water use efficiency.

Zohair Mahmoud Mirdad. (2014) Improving Productivity, Npk Uptake And Water Use Efficiency Of Snap Bean In Sandy Soil, , Volume-51, Issue-3.
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